Effectiveness of augmented-reality visualization versus cognitive mediation for learning actions in near space

Roberta L. Klatzky, Bing Wu, Damion Shelton, George Stetten

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The present study examined the impact of augmented-reality visualization, in comparison to conventional ultrasound (CUS), on the learning of ultrasound-guided needle insertion. Whereas CUS requires cognitive processes for localizing targets, our augmented-reality device, called the sonic flashlight (SF) enables direct perceptual guidance. Participants guided a needle to an ultrasound-localized target within opaque fluid. In three experiments, the SF showed higher accuracy and lower variability in aiming and endpoint placements than did CUS. The SF, but not CUS, readily transferred to new targets and starting points for action. These effects were evident in visually guided action (needle and target continuously visible) and visually directed action (target alone visible). The results have application to learning to visualize surgical targets through ultrasound.

Original languageEnglish (US)
Article number1
JournalACM Transactions on Applied Perception
Volume5
Issue number1
DOIs
StatePublished - Jan 2 2008
Externally publishedYes

Fingerprint

Mediation
Augmented reality
Augmented Reality
Ultrasound
Needles
Visualization
Ultrasonics
Learning
Flashlights
Target
Equipment and Supplies
Placement
Insertion
Guidance
High Accuracy
Fluid
Fluids
Experiment

Keywords

  • Augmented reality
  • Learning
  • Motor control
  • Perception
  • Spatial cognition

ASJC Scopus subject areas

  • Computer Science(all)
  • Theoretical Computer Science
  • Experimental and Cognitive Psychology

Cite this

Effectiveness of augmented-reality visualization versus cognitive mediation for learning actions in near space. / Klatzky, Roberta L.; Wu, Bing; Shelton, Damion; Stetten, George.

In: ACM Transactions on Applied Perception, Vol. 5, No. 1, 1, 02.01.2008.

Research output: Contribution to journalArticle

Klatzky, Roberta L. ; Wu, Bing ; Shelton, Damion ; Stetten, George. / Effectiveness of augmented-reality visualization versus cognitive mediation for learning actions in near space. In: ACM Transactions on Applied Perception. 2008 ; Vol. 5, No. 1.
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